1 files changed, 146 insertions, 0 deletions
diff --git a/src/org/traccar/protocol/WatchProtocolDecoder.java b/src/org/traccar/protocol/WatchProtocolDecoder.java
new file mode 100644
index 000000000..a24d0a56b
--- /dev/null
+++ b/src/org/traccar/protocol/WatchProtocolDecoder.java
@@ -0,0 +1,146 @@
+/*
+ * Copyright 2015 Anton Tananaev (anton.tananaev@gmail.com)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.traccar.protocol;
+
+import org.jboss.netty.channel.Channel;
+import org.traccar.BaseProtocolDecoder;
+import org.traccar.helper.DateBuilder;
+import org.traccar.helper.Parser;
+import org.traccar.helper.PatternBuilder;
+import org.traccar.helper.UnitsConverter;
+import org.traccar.model.Event;
+import org.traccar.model.Position;
+
+import java.net.SocketAddress;
+import java.util.regex.Pattern;
+
+public class WatchProtocolDecoder extends BaseProtocolDecoder {
+
+    public WatchProtocolDecoder(WatchProtocol protocol) {
+        super(protocol);
+    }
+
+    private static final Pattern PATTERN = new PatternBuilder()
+            .text("[")
+            .expression("(..)").text("*")        // manufacturer
+            .number("(d+)").text("*")            // equipment id
+            .number("xxxx").text("*")            // length
+            .expression("([^,]+)")               // type
+            .expression("(.*)")                  // content
+            .compile();
+
+    private static final Pattern PATTERN_POSITION = new PatternBuilder()
+            .text(",")
+            .number("(dd)(dd)(dd),")             // date (ddmmyy)
+            .number("(dd)(dd)(dd),")             // time
+            .expression("([AV]),")               // validity
+            .number("(d+.d+),")                  // latitude
+            .expression("([NS]),")
+            .number("(d+.d+),")                  // longitude
+            .expression("([EW]),")
+            .number("(d+.d+),")                  // speed
+            .number("(d+.d+),")                  // course
+            .number("(d+.?d*),")                 // altitude
+            .number("(d+),")                     // satellites
+            .number("(d+),")                     // gsm
+            .number("(d+),")                     // battery
+            .number("(d+),")                     // steps
+            .number("d+,")                       // tumbles
+            .any()
+            .compile();
+
+    private void sendResponse(Channel channel, String manufacturer, String id, String content) {
+        if (channel != null) {
+            channel.write(
+                    String.format("[%s*%s*%04x*%s]", manufacturer, id, content.length(), content));
+        }
+    }
+
+    @Override
+    protected Object decode(
+            Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+        Parser parser = new Parser(PATTERN, (String) msg);
+        if (!parser.matches()) {
+            return null;
+        }
+
+        String manufacturer = parser.next();
+        String id = parser.next();
+        if (!identify(id, channel)) {
+            return null;
+        }
+
+        String type = parser.next();
+        String content = parser.next();
+
+        if (type.equals("LK")) {
+
+            sendResponse(channel, manufacturer, id, "LK");
+
+            if (!content.isEmpty()) {
+                Position position = new Position();
+                position.setProtocol(getProtocolName());
+                position.setDeviceId(getDeviceId());
+
+                getLastLocation(position, null);
+
+                position.set(Event.KEY_BATTERY, content.split(",")[3]);
+
+                return position;
+            }
+
+        } else if (type.equals("UD") || type.equals("UD2") || type.equals("AL")) {
+
+            if (type.equals("AL")) {
+                sendResponse(channel, manufacturer, id, "AL");
+            }
+
+            parser = new Parser(PATTERN_POSITION, content);
+            if (!parser.matches()) {
+                return null;
+            }
+
+            Position position = new Position();
+            position.setProtocol(getProtocolName());
+            position.setDeviceId(getDeviceId());
+
+            DateBuilder dateBuilder = new DateBuilder()
+                    .setDateReverse(parser.nextInt(), parser.nextInt(), parser.nextInt())
+                    .setTime(parser.nextInt(), parser.nextInt(), parser.nextInt());
+            position.setTime(dateBuilder.getDate());
+
+            position.setValid(parser.next().equals("A"));
+            position.setLatitude(parser.nextCoordinate(Parser.CoordinateFormat.DEG_HEM));
+            position.setLongitude(parser.nextCoordinate(Parser.CoordinateFormat.DEG_HEM));
+            position.setSpeed(UnitsConverter.knotsFromKph(parser.nextDouble()));
+            position.setCourse(parser.nextDouble());
+            position.setAltitude(parser.nextDouble());
+
+            position.set(Event.KEY_SATELLITES, parser.nextInt());
+            position.set(Event.KEY_GSM, parser.nextInt());
+            position.set(Event.KEY_BATTERY, parser.nextInt());
+
+            position.set("steps", parser.nextInt());
+
+            return position;
+
+        }
+
+        return null;
+    }
+
+}